package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.http.HttpRequest;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * <p>
 * 用户信息 前端控制器
 * </p>
 *
 * @author 黑马程序员
 * @since 2022-06-06
 */
@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {
        //获取手机号，判断手机号是否为空
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            //不是空的时候，生成四位随机验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            //把验证码打印到=控制台
            log.info("code={}",code);
            //调用阿里云提供的短信服务API完成发送短信
//            SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);
            //需要将生成的验证码保存到Session
//            session.setAttribute(phone,code);
            redisTemplate.opsForValue().set(phone,code,3, TimeUnit.MINUTES);
            return R.success("手机验证码短信发送成功");
        }
        return R.error("手机验证码短信发送失败");
    }

    @PostMapping("/login")
    public R<User> login(@RequestBody Map map , HttpSession session){
        //获取用户输入的电话号码
        String phone = (String) map.get("phone");
        String code = (String) map.get("code");
        //获取session中的验证码
//        String sessionId = (String) session.getAttribute(phone);
        Object TrueCode =  redisTemplate.opsForValue().get(phone);
        //获取用户输入的验证码
        if (TrueCode.equals(code)){
            //说明登录成功
            LambdaQueryWrapper<User> qw =new LambdaQueryWrapper<>();
            qw.eq(User::getPhone,phone);
            User user = userService.getOne(qw);
            //判断该用户是否为新用户
            if (user==null) {
                user =new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }

            session.setAttribute("user",user.getId());
            redisTemplate.delete(phone);
            return R.success(user);
        }

        return R.error("登录失败");

    }
    @PostMapping("/loginout")
    public R<String> logout(HttpServletRequest request){
      request.getSession().removeAttribute("user");

        return R.success("退出成功");
    }
}

